Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LYNN D ALONSO MD
NPI 1942269352
Internal Medicine in Columbia, MD

Active since March 23, 2006
8323 GUILFORD ROAD, SUITE E, COLUMBIA, MD 21046(410) 564-0000(410) 564-0032 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Lynn D Alonso Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LYNN D ALONSO MD (NPI 1942269352) is an individual internal medicine provider in Columbia, Maryland, licensed in Maryland (D0032482) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1942269352
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameLYNN D ALONSOCredential: MD
Location Address8323 GUILFORD ROAD, SUITE EColumbia, MD 21046
Mailing AddressPo Box 21182Baltimore, MD 21228 · (410) 368-8640 · Fax (410) 368-8644
Fax(410) 564-0032
Sole ProprietorNo
Enumeration DateMarch 23, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1942269352 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MD · D0032482
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
8323 GUILFORD ROAD, Columbia, MD 21046

Other Identifiers 2

OtherKV0842444701MD · Carefirst
OtherW6200029DC · Carefirst

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lynn Alonso's NPI number?

The NPI number for Lynn Alonso is 1942269352. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Where is Lynn Alonso located?

Lynn Alonso practices at 8323 Guilford Road Suite E, Columbia, MD 21046. The listed phone number is (410) 564-0000.

What is Lynn Alonso's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Lynn Alonso was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.